The purpose of the study is to see if a low glycemic index diet will reduce blood sugar levels in pregnant women with high blood sugar levels.
Women with gestational hyperglycemia, including women with gestational diabetes and impaired glucose tolerance of pregnancy, consuming a low glycemic index (GI) diet will experience better blood glucose control thereby decreasing the risk associated complication(s).
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
47
St. Michael's Hospital
Toronto, Ontario, Canada
Fasting serum glucose
Time frame: Baseline and 4 weeks
A1c
Time frame: Baseline and 4 weeks
Self-blood-glucose-monitoring results
Time frame: daily until delivery
maternal weight gain throughout pregnancy
Time frame: weekly
number of individuals who receive insulin treatment while participating in the study
Time frame: duration of pregnancy
latency to insulin requirement/ gestational age when prescribed insulin
Time frame: duration of pregnancy
dosage and frequency of insulin
Time frame: duration of pregnancy
ultrasound measurements (if available)
Time frame: according to clinical practice
fasting lipids
Time frame: Baseline and 4 weeks
fasting c-reactive protein
Time frame: Baseline and 4 weeks
infant birth weight
Time frame: at birth
infant blood glucose
Time frame: at birth
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infant plasma calcium
Time frame: at birth
infant bilirubin at birth obtained via heel prick
Time frame: at birth
birth complications
Time frame: at birth
perceptions of educational materials
perceptions of diet treatments